Home / 21,266.37-31,904.33-6,476.46

Finding the Fourth Proportional to 21,266.37, 31,904.33 and 6,476.46

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Solution

The fourth proportional to 21,266.37, 31,904.33 and 6,476.46 is: 9,716.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266.37 : 31,904.33 = 6,476.46 : x
  2. Step 2: Convert to fraction form
    21,266.37/31,904.33 = 6,476.46/x
  3. Step 3: Cross multiply
    21,266.37x = 31,904.33 × 6,476.46
  4. Step 4: Simplify right side
    21,266.37x = 206,626,965.05
  5. Step 5: Solve for x
    x = 206,626,965.05/21,266.37
  6. Step 6: Final answer
    x = 9,716.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.